The ACLU, along with the Northern and Southern California affiliates and four other organizations, filed an amicus brief in the Ninth Circuit supporting affirmance of a preliminary injunction that prevented the City of Sacramento from clearing homeless encampments during periods of extreme heat.

The ACLU and its affiliates in Southern California and Washington, the Northwest Immigrant Rights Project, the National Immigration Project of the National Lawyers Guild, the Law Offices of Stacy Tolchin, and Perkins Coie LLP filed a class action lawsuit in January 2017 challenging a federal government program used to deny or indefinitely delay thousands of law-abiding people—many of them from Muslim-majority countries—from becoming citizens or lawful residents due to unspecified “national security concerns.”

The ACLU, the ACLU of Northern California, and the ACLU of Southern California filed amicus briefs in support of everyday people fighting for government transparency and accountability in two cases set for review by the U.S. Supreme Court this Term: O’Connor-Ratcliff v. Garnier and Lindke v. Freed.

Rosas v. Luna is a class action lawsuit brought by the ACLU of Southern California (ACLU SoCal), the ACLU’s National Prison Project (NPP), and the law firm of Paul Hastings LLP in 2012 against the Los Angeles Sheriff’s Department (LASD) over its routine, excessive, and unnecessary use of force against incarcerated people in the Los Angeles Jail system.